CN221683542U - Mechanical meter tooth - Google Patents

Abstract

The utility model discloses a mechanical meter tooth, belonging to the technical field of meter teeth, solving the problem that the prior device needs to detach meter teeth and wheels together when replacing lubricant in meter teeth, and the prior device is more troublesome to use, comprising an integrally formed worm wheel shell and a worm shell, wherein the side surface in the worm wheel shell is rotationally sleeved with an annular worm wheel through a bearing ring, the inside of the worm shell is rotationally sleeved with a worm which is communicated with an instrument panel through a flexible shaft and is meshed with the worm wheel through the bearing ring, the top surface fixed mounting of worm shell has the oil filler pipe rather than being linked together, the lateral wall fixed mounting of worm shell has the oil drain pipe rather than inside being linked together, can lubricate worm and worm wheel to the inside interpolation lubricating liquid of worm shell through the oil filler pipe, can discharge the inside lubricating liquid of worm shell and worm shell through the oil drain pipe, has reached the purpose of being convenient for change and add lubricating oil to the inside of worm shell and worm shell, convenient to use.

Description

Mechanical meter tooth

Technical Field

The utility model relates to the technical field of meter teeth, in particular to a mechanical meter tooth.

Background

The motorcycle is provided with a shaft sleeve through a bearing, the bearing is sleeved with meter teeth (gear combination device) matched with the shaft sleeve, the meter teeth are connected with a flexible shaft, the front wheel rotates to drive the shaft sleeve to rotate, the shaft sleeve can drive the meter teeth to synchronously rotate, the flexible shaft is mechanically connected with an instrument, the flexible shaft transmits the number of turns of the meter teeth to an instrument panel, and the instrument converts the number of turns of the rotation shaft into corresponding mileage.

The meter tooth can be along with the rotation of sitting on the car incessantly rotatory, when worm wheel and worm in meter tooth can lead to worm wheel and worm to produce wearing and tearing, leads to the inaccurate condition of odometer count to take place consequently, so the meter tooth need regularly change inside lubricating oil, but current meter tooth change lubricating oil need dismantle meter tooth from the bearing in most, this just needs to pull down the wheel earlier, is dismantling the maintenance to meter tooth, and it is comparatively troublesome to use.

Therefore, we propose a mechanical meter tooth.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a mechanical meter tooth, which solves the problem that the prior device needs to detach the meter tooth and a wheel together when replacing lubricating oil in the meter tooth, and is more troublesome to use.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the mechanical meter tooth comprises a worm wheel shell and a worm shell which are integrally formed, wherein the worm wheel shell is communicated with the inside of the worm shell;

The side of worm wheel shell inside is equipped with annular worm wheel through the race ring cover that rotates, the inside of worm shell is equipped with through the race ring cover that rotates through the race ring worm that is linked together and meshes with the worm wheel with the panel board, the top surface fixed mounting of worm shell has the oil filler pipe that is linked together rather than, the lateral wall fixed mounting of worm wheel shell has the oil drain pipe that is linked together with its inside, the top of oil filler pipe and oil drain pipe is the screw thread cover of first screw thread cover and second screw thread cover of being equipped with respectively.

Preferably, an annular oil baffle is fixedly arranged on the side face of the opening end of the worm gear shell, an elastic sealing ring is fixedly sleeved on the inner ring of the oil baffle, and lubricating oil injected into the worm gear shell can be shielded through the oil baffle, so that the condition that lubricating meat flows out of the worm gear shell is avoided.

Preferably, the inside side fixed mounting of worm wheel shell has the go-between, the worm wheel rotates the suit at the surface of go-between, the shaft hole has been seted up in the side of worm wheel shell run through, wherein, is convenient for with the worm wheel shell suit on the bearing of wheel through the shaft hole, is convenient for carry out spacing and support to the worm wheel through the go-between.

Preferably, the cambered surface of the worm wheel is provided with an oil filling hole in the middle of the gear groove in a penetrating mode, lubricating oil in the worm wheel shell conveniently enters a gap of the contact surface of the worm wheel and the connecting ring through the oil filling hole, and abrasion between the worm wheel and the connecting ring is reduced.

Preferably, an annular plate is fixedly arranged on the side face of the worm wheel, and an annular plectrum is fixedly sleeved on the outer surface of the annular plate, wherein the plectrum is convenient to install through the annular plate.

Preferably, the elastic sealing ring is attached to the surface of the annular plate, and the external thread is formed on the outer surface of the opening end of the worm shell, wherein the gap between the oil baffle plate and the annular plate can be filled with the elastic sealing ring, so that the condition that lubricating oil in the worm shell flows out is avoided, the flexible shaft is conveniently sleeved on the outer surface of the worm shell through the external thread, and then the flexible shaft is connected with the worm.

The utility model provides a mechanical meter tooth. The beneficial effects are as follows:

1. According to the mechanical meter tooth, the lubricating liquid can be added into the worm shell through the oil injection pipe, then the lubricating liquid can enter the worm shell, the worm and the worm wheel can be lubricated, the lubricating liquid can enter a gap between the worm wheel and the connecting ring through the oil injection hole, then the lubricating liquid can enter the gap between the worm wheel and the connecting ring, when the lubricating liquid needs to be replaced, the second thread cover is opened, the lubricating liquid in the worm shell and the worm shell can be discharged through the oil discharge pipe, the purpose of facilitating replacement and addition of lubricating oil into the worm shell and the worm shell is achieved, the meter tooth does not need to be detached when the lubricating oil is replaced, and the problem that the conventional meter tooth and the wheel need to be detached together when the lubricating oil in the meter tooth is replaced is solved, and the use is troublesome;

2. This mechanical meter table tooth can shelter from the inside lubricating oil of injection worm wheel casing through the oil baffle, can fill in the gap between oil baffle and annular plate through elastic seal circle, avoids the inside lubricating oil outflow's of worm wheel casing condition to take place then.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic view of a split structure of the present utility model;

fig. 4 is a schematic view of the worm gear housing and worm housing construction of the present utility model.

In the figure: 1. a worm gear housing; 11. a shaft hole; 12. a connecting ring; 13. an oil drain pipe; 14. a second screw cap; 15. an oil baffle plate; 16. an elastic sealing ring; 2. a worm housing; 21. an external thread; 22. a worm; 23. a filler pipe; 24. a first screw cap; 3. a worm wheel; 31. an annular plate; 32. a pulling piece; 33. and an oil filling hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1-4: the mechanical meter tooth comprises an integrally formed worm shell 1 and a worm shell 2, wherein the worm shell 1 and the worm shell 2 are internally communicated, the side surface of the inside of the worm shell 1 is rotatably sleeved with an annular worm wheel 3 through a bearing ring, the worm 22 which is communicated with an instrument panel through a flexible shaft and is meshed with the worm wheel 3 is rotatably sleeved in the worm shell 2 through the bearing ring, the top surface of the worm shell 2 is fixedly provided with an oil injection pipe 23 communicated with the worm shell, the side wall of the worm shell 1 is fixedly provided with an oil discharge pipe 13 communicated with the inside of the worm shell, the top ends of the oil injection pipe 23 and the oil discharge pipe 13 are respectively in threaded sleeve mounting with a first thread cover 24 and a second thread cover 14, the side surface of the inside of the worm shell 1 is fixedly provided with a connecting ring 12, the worm wheel 3 is rotatably sleeved on the outer surface of the connecting ring 12, the side surface of the worm shell 1 is penetrated and provided with a shaft hole 11, the cambered surface of the worm wheel 3 is provided with an oil injection hole 33 positioned in the middle of the gear groove in a penetrating way, lubricating fluid can be added into the worm shell 2 through the oil injection pipe 23, then the lubricating fluid can enter the worm shell 1, the worm 22 and the worm wheel 3 can be lubricated, the lubricating fluid can enter a gap between the worm wheel 3 and the connecting ring 12 through the oil injection hole 33, then the worm wheel 3 and the connecting ring 12 are lubricated, when the lubricating fluid needs to be replaced, the second screw cap 14 is opened, the lubricating fluid in the worm shell 1 and the worm shell 2 can be discharged through the oil discharge pipe 13, the purposes of facilitating the replacement and addition of lubricating oil into the worm shell 1 and the worm shell 2 are achieved, the meter teeth do not need to be detached when the lubricating oil is replaced, and the use is convenient and quick;

Examples

As shown in fig. 3-4, an annular oil baffle 15 is fixedly installed on the side surface of the opening end of the worm wheel casing 1, an elastic sealing ring 16 is fixedly sleeved on the inner ring of the oil baffle 15, an annular plate 31 is fixedly installed on the side surface of the worm wheel 3, an annular plectrum 32 is fixedly sleeved on the outer surface of the annular plate 31, the elastic sealing ring 16 is attached to the surface of the annular plate 31, an external thread 21 is formed on the outer surface of the opening end of the worm wheel casing 2, lubricating oil injected into the worm wheel casing 1 can be blocked through the oil baffle 15, gaps between the oil baffle 15 and the annular plate 31 can be filled through the elastic sealing ring 16, and accordingly the condition that lubricating oil in the worm wheel casing 1 flows out is avoided.

The working principle and the using flow of the utility model are as follows: this mechanical meter tooth, when in use, the bearing of wheel passes go through go-between 12, then with plectrum 32 joint on the axle sleeve, then with flexible axle thread suit in the outside of external screw thread 21, then make flexible axle and worm 22 be connected, can be linked together worm 22 and panel board, when the wheel rotates, bearing and axle sleeve can synchronous rotation, then the axle sleeve drives plectrum 32 rotation, plectrum 32 can drive annular plate 31 and oil filler point 33 synchronous rotation, then oil filler point 33 drives worm 22 rotation, flexible axle can with worm 22 rotatory number of turns transmission for the panel board, then the panel board shows it for mileage, can add lubricating liquid to worm casing 2's inside through oil filler pipe 23, then the lubrication joint can get into worm casing 1's inside, can lubricate worm 22 and worm wheel 3, and in the gap between worm wheel 3 and go-between 12 can be followed to lubrication between the oil filler point 33 and the go-between 12, can shelter from through the inside lubricating oil that the elastic seal 16 can fill in the gap between annular plate 15 and annular plate 31, then can be opened in the inside of worm casing 1 through the annular seal ring 16, can be avoided taking place in the inside of worm casing 1 and the case of screw casing 1 when the inside of screw casing is opened to take place, then the inside of the screw casing 1 is changed to the screw casing 1.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. The mechanical meter tooth comprises a worm gear shell (1) and a worm shell (2) which are integrally formed, wherein the worm gear shell (1) is communicated with the inside of the worm shell (2);

The method is characterized in that: the side of worm wheel shell (1) inside is equipped with annular worm wheel (3) through the race ring swivel mount, the inside of worm shell (2) is equipped with worm (22) that are linked together and mesh with worm wheel (3) through the race ring swivel mount through the flexible axle with the panel board, the top surface fixed mounting of worm shell (2) has filler pipe (23) rather than being linked together, the lateral wall fixed mounting of worm wheel shell (1) has oil drain pipe (13) rather than being linked together inside, the top of filler pipe (23) and oil drain pipe (13) is equipped with first screw cap (24) and second screw cap (14) in the screw shell respectively.

2. A mechanical meter tooth as in claim 1, wherein: an annular oil baffle plate (15) is fixedly arranged on the side face of the opening end of the worm wheel shell (1), and an elastic sealing ring (16) is fixedly sleeved on the inner ring of the oil baffle plate (15).

3. A mechanical meter tooth as in claim 1, wherein: the worm gear is characterized in that a connecting ring (12) is fixedly arranged on the side face of the inside of the worm gear shell (1), the worm gear (3) is rotationally sleeved on the outer surface of the connecting ring (12), and a shaft hole (11) is formed in the side face of the worm gear shell (1) in a penetrating mode.

4. A mechanical meter tooth as in claim 1, wherein: the cambered surface of the worm wheel (3) is provided with an oil filling hole (33) in the middle of the gear groove in a penetrating way.

5. A mechanical meter tooth as in claim 2, wherein: the side of the worm wheel (3) is fixedly provided with an annular plate (31), and the outer surface of the annular plate (31) is fixedly sleeved with an annular poking piece (32).

6. A mechanical meter tooth as in claim 5, wherein: the elastic sealing ring (16) is attached to the surface of the annular plate (31), and an external thread (21) is arranged on the outer surface of the opening end of the worm shell (2).